/* Shared design tokens — approved October 2026 blueprint. */
:root {
  --paper:#f4f5f0; --surface:#fffefa; --ink:#1d303b; --muted:#566570;
  --line:#d5dcdd; --blue:#0d6ea5; --blueprint:#124e76; --orange:#fb631b;
  --sans:Arial,Helvetica,sans-serif;
  --chart-paper:#fafcfb; --chart-ink:#25465b; --chart-line:#b9cbd6;
  --chart-grid:linear-gradient(#65829712 1px,transparent 1px),linear-gradient(90deg,#65829712 1px,transparent 1px);
  --blueprint-grid:linear-gradient(#d9f0ff09 1px,transparent 1px),linear-gradient(90deg,#d9f0ff09 1px,transparent 1px),linear-gradient(#d9f0ff0a 1px,transparent 1px),linear-gradient(90deg,#d9f0ff0a 1px,transparent 1px);
}
* { box-sizing:border-box; min-width:0; }
html { scroll-behavior:smooth; scroll-padding-top:96px; }
body { margin:0; background:var(--paper); color:var(--ink); font:16px/1.65 var(--sans); }
[hidden] { display:none!important; }
h1,h2,h3,p,figure { margin:0; }
h1,h2,h3 { font-family:var(--sans); font-weight:500; line-height:1.09; text-wrap:balance; }
h1 { font-size:clamp(49px,5.8vw,84px); letter-spacing:-.055em; }
h2 { font-size:clamp(35px,4vw,55px); letter-spacing:-.04em; }
h3 { font-size:29px; letter-spacing:-.025em; }
p+p { margin-top:17px; }
a { color:inherit; text-decoration:none; }
button,input,select,textarea { font:inherit; }
button { cursor:pointer; }
a,button { -webkit-tap-highlight-color:transparent; }
a,button,input,select,textarea { outline-offset:5px; }
a:focus-visible,button:focus-visible { outline:2px solid var(--orange); }
input:focus-visible,select:focus-visible,textarea:focus-visible { outline:2px solid var(--blue); }
.wrap { max-width:1272px; width:calc(100% - 112px); margin:auto; }
.skip { position:fixed; top:-60px; left:15px; background:var(--surface); padding:10px; z-index:90; }
.skip:focus { top:8px; }

/* Navigation and reusable controls. */
.header { position:sticky; top:0; z-index:40; background:#f4f5f0f2; backdrop-filter:blur(14px); border-bottom:1px solid var(--line); }
.nav { display:flex; justify-content:space-between; align-items:center; height:80px; gap:26px; }
.brand { font:500 24px/1 'Inter Tight',Arial,sans-serif; letter-spacing:-.04em; }
.navlinks { display:flex; align-items:center; gap:30px; }
.navlinks>a { font-size:12px; letter-spacing:.035em; }
.navlinks>a:not(.btn):hover { color:var(--blue); }
.navlinks .btn { padding:13px 22px; }
.navlinks>a[aria-current=page],
.navlinks>.btn:hover,
.mobile-nav>.btn:hover,
#home .actions>.btn:hover { box-shadow:0 2px var(--orange); }
.btn { display:inline-flex; justify-content:center; align-items:center; gap:20px; min-height:46px; padding:15px 21px; border:1px solid var(--blue); background:var(--blue); color:white; font-size:13px; font-weight:550; border-radius:12px; line-height:1.4; transition:background .2s,box-shadow .2s,border-color .2s; }
.btn:hover { background:#154c6d; }
.btn:disabled { cursor:not-allowed; opacity:.65; }
.textlink { color:var(--blue); display:inline-flex; gap:14px; align-items:center; font-size:14px; border-bottom:1px solid #9bbbc7; padding-bottom:3px; }
.actions { display:flex; align-items:center; gap:17px; flex-wrap:wrap; }
.eyebrow { font-size:11px; letter-spacing:.11em; text-transform:uppercase; color:var(--blue); font-weight:550; margin-bottom:20px; }
.eyebrow .dot { display:inline-block; width:5px; height:5px; background:var(--orange); vertical-align:middle; margin-right:10px; }
.mobile-menu { min-height:44px; min-width:52px; display:none; background:transparent; border:1px solid #adb69f; border-radius:4px; padding:8px 11px; color:var(--ink); font-size:12px; }
.mobile-nav { padding:10px 0 22px; display:grid; gap:12px; font-size:14px; }
.mobile-nav>a { display:flex; align-items:center; min-height:44px; }
.mobile-nav .btn { margin-top:8px; }

/* Shared section rhythm and comparison layouts. */
.section { padding:88px 0; border-top:1px solid var(--line); }
.section .eyebrow { font:11px monospace; letter-spacing:.08em; }
.split { display:grid; grid-template-columns:1fr 1fr; gap:64px; align-items:start; }
.split p { color:var(--muted); font-size:17px; }
.section-head { display:flex; justify-content:space-between; align-items:end; gap:50px; margin-bottom:36px; }
.section-head p { max-width:450px; color:var(--muted); }
.section-head h2 { max-width:640px; }
.tri { display:grid; grid-template-columns:repeat(3,minmax(0,1fr)); gap:30px; margin-top:40px; }
.tri article { border-top:1px solid var(--line); padding-top:25px; }
.tri h3 { line-height:1.3; }
.tri p { font-size:15px; color:var(--muted); margin-top:15px; }
.num { font-size:11px; letter-spacing:.08em; color:var(--blue); display:block; margin-bottom:21px; }
.fine { font-size:12px; color:var(--muted); line-height:1.6; }
#homePage h2 { letter-spacing:-.025em; text-wrap:pretty; }
#homePage p { line-height:1.75; }
#homePage .section-head>p { max-width:790px; }
#agentic { margin-top:56px; padding-top:48px; padding-bottom:48px; }
#agentic h2 { max-width:1000px; color:var(--blue); }
#agentic h2,#problem h2,#foundation>.section-head h2,#examples>.section-head h2 { font-size:clamp(32px,3.5vw,48px); line-height:1.16; }
#foundation>.section-head,#examples>.section-head { display:block; }
#foundation>.section-head h2,#examples>.section-head h2 { max-width:1000px; }
#foundation>.section-head>p,#examples>.section-head>p { max-width:820px; margin-top:24px; }
#agentic h2:after,#problem h2:after,#firm h2:after { content:''; display:block; width:44px; height:3px; margin-top:25px; background:var(--orange); }
#problem .section-summary { margin:32px 0 0; padding:22px 0 0; border-top:1px solid var(--line); max-width:850px; font-size:16px; color:var(--ink); }

/* Homepage hero and decorative desk transformation. */
#home { isolation:isolate; margin-top:28px; padding:54px 42px 30px; border-radius:24px; color:#f4f9fc; background-color:var(--blueprint); background-image:var(--blueprint-grid); background-size:22px 22px,22px 22px,110px 110px,110px 110px; }
#home h1 { font-size:clamp(44px,5.7vw,80px); line-height:1.07; letter-spacing:-.035em; margin:22px 0 30px; max-width:1050px; color:#f6fafc; }
#home h1 em { font-style:normal; font-weight:inherit; }
#home>.eyebrow { color:#bddded; }
.product-intro { display:grid; grid-template-columns:minmax(0,1fr) auto; align-items:center; gap:40px; margin-bottom:48px; }
#home .intro { max-width:720px; font-size:17px; color:#e0edf4; }
.product-intro .actions { justify-content:flex-end; }
#home .btn,#cohort .btn { background:#f5f4f1; color:#164c70; border-color:#f5f4f1; }
#home .textlink { color:white; border-color:#b6d0df; }
#home>.small { font-size:12px; color:#bed5e3; margin-top:4px; line-height:1.6; }
.transformation-hero { position:relative; padding:0; margin:16px 0 0; background:transparent; border:0; }
.transformation-hero video,.transformation-hero .motion-poster { display:block; width:100%; height:auto; max-height:none; aspect-ratio:16/9; object-fit:contain; border:0; border-radius:0; box-shadow:none; background:transparent; mix-blend-mode:screen; mask-image:linear-gradient(to right,transparent,#000 4%,#000 96%,transparent),linear-gradient(to bottom,transparent,#000 5%,#000 94%,transparent); mask-composite:intersect; -webkit-mask-image:linear-gradient(to right,transparent,#000 4%,#000 96%,transparent),linear-gradient(to bottom,transparent,#000 5%,#000 94%,transparent); -webkit-mask-composite:source-in; }

/* Static integration and architecture drawings. */
.static-drawing { margin:38px 0 0; border:1px solid #bdcdd5; border-radius:18px; overflow:hidden; background:var(--chart-paper); color:var(--chart-ink); }
.drawing-title { display:flex; justify-content:space-between; gap:20px; padding:16px 24px; border-bottom:1px solid #d0dce2; background:#edf2f3; font:11px/1.5 monospace; letter-spacing:.025em; }
.drawing-title>span:last-child { color:#637c8d; text-align:right; }
.drawing-paper { padding:32px; background-color:var(--chart-paper); background-image:var(--chart-grid); background-size:30px 30px; }
.static-drawing figcaption { padding:17px 24px; border-top:1px solid #d0dce2; font-size:13px; line-height:1.65; color:#506b7c; }
.separate-tools { display:grid; grid-template-columns:repeat(5,minmax(0,1fr)); gap:14px; }
.separate-tools>div { padding:17px 13px; background:var(--surface); border:1px solid #c2d0d7; border-radius:9px; }
.separate-tools strong { display:block; font-size:15px; font-weight:500; }
.separate-tools span { display:block; font-size:12px; color:#657b88; line-height:1.5; margin-top:6px; }
.manual-connectors { height:55px; }
.manual-connectors svg { display:block; width:100%; height:100%; }
.manual-connectors path { stroke:#9aafba; stroke-width:1; fill:none; vector-effect:non-scaling-stroke; }
.manual-person { text-align:center; max-width:440px; margin:auto; padding:18px 20px; background:var(--surface); border:1px solid #aebfc7; border-radius:10px; }
.manual-person small,.architecture-authority small { font:10px/1.5 monospace; letter-spacing:.07em; color:#a75b36; }
.manual-person strong,.architecture-authority strong { display:block; font-size:24px; font-weight:500; margin:5px 0; }
.manual-person>span,.architecture-authority>span { font-size:12px; line-height:1.65; color:#536e7d; }
.architecture-authority { max-width:470px; margin:auto; text-align:center; padding:18px 22px; background:var(--surface); border:1px solid #9eb7c5; border-radius:12px; }
.authority-connection { text-align:center; padding:20px 8px 26px; font:11px/1.6 monospace; color:#557487; }
.architecture-system { display:grid; grid-template-columns:minmax(130px,1fr) 92px minmax(275px,1.65fr) 92px minmax(130px,1fr); align-items:center; gap:14px; }
.architecture-tools>h3,.architecture-work>h3 { font:10px/1.6 monospace; text-transform:uppercase; letter-spacing:.045em; color:#587285; margin:0 0 14px; }
.architecture-tool { background:var(--surface); border:1px solid #beced6; border-radius:10px; padding:17px 15px; margin-top:10px; }
.architecture-tool strong { display:block; font-size:16px; font-weight:500; }
.architecture-tool span { display:block; font-size:12px; line-height:1.6; color:#607886; margin-top:5px; }
.architecture-flow { display:flex; flex-direction:column; align-items:center; text-align:center; gap:6px; font:10px/1.6 monospace; color:#54768b; }
.architecture-flow b { font:28px/1.2 var(--sans); color:#7e9bae; }
.architecture-core { padding:22px; background:#edf3f5; border:1px solid #8eacbd; border-radius:13px; }
.architecture-core>small { font:9px/1.6 monospace; letter-spacing:.045em; color:#567b91; }
.architecture-core>h3 { font-size:30px; margin:7px 0 20px; }
.matter-record { border:1px solid #c6d5dd; border-radius:9px; background:var(--surface); overflow:hidden; }
.matter-record-title { padding:12px 14px; background:#f3f6f5; font-size:12px; border-bottom:1px solid #d5dfe3; }
.matter-record dl { margin:0; padding:0 14px; }
.matter-record dl>div { padding:10px 0; border-bottom:1px solid #e4e9e9; }
.matter-record dl>div:last-child { border-bottom:0; }
.matter-record dt { font-size:12px; font-weight:600; }
.matter-record dd { margin:3px 0 0; font-size:11px; line-height:1.5; color:#637b89; }
#homePage .architecture-core>p { font-size:11px; line-height:1.7; color:#607886; margin:15px 0 0; }

/* Real demos keep native controls, original frame ratios, and compact section 04 rows. */
.real-demo { margin:0; min-width:0; }
.real-demo video { display:block; width:100%; height:auto; max-height:720px; background:#112c3c; border:1px solid var(--line); border-radius:18px; box-shadow:0 18px 45px #1639510c; }
.real-demo figcaption { font-size:12px; letter-spacing:.04em; text-transform:uppercase; color:var(--muted); padding:13px 0; }
/* Decorative media overrides the shared player surface without changing its proportions. */
#home .transformation-hero { margin-top:16px; }
#home .transformation-hero video { max-height:none; background:transparent; border:0; border-radius:0; box-shadow:none; }
.video-workflow { display:grid; grid-template-columns:.65fr 1.35fr; gap:64px; padding:48px 0; border-top:1px solid #9cb7c8; align-items:center; }
.video-workflow>div { padding-left:22px; border-left:3px solid var(--orange); }
.video-workflow h3 { font-size:34px; line-height:1.15; margin:12px 0 20px; }
.build-list { padding-left:20px; line-height:2; color:var(--muted); margin-bottom:30px; }
:is(#examples, #build) .video-workflow { grid-template-columns:minmax(0,1fr) minmax(0,560px); gap:48px; padding:24px 0; }
#examples .video-workflow:last-of-type { padding-bottom:24px; }
#examples .video-workflow h3 { font-size:clamp(23px,2vw,28px); line-height:1.22; max-width:390px; margin:10px 0 0; }
#examples .video-workflow .eyebrow { margin-bottom:10px; }
:is(#examples, #build) .real-demo { width:100%; }
:is(#examples, #build) .real-demo video { max-height:none; border-radius:14px; }
:is(#examples, #build) figcaption { font-size:11px; padding:8px 0 0; line-height:1.4; }

/* Author and interactive three-part invitation. */
.about-heading { display:flex; align-items:center; justify-content:space-between; gap:48px; margin-bottom:36px; }
.about-heading>h2 { font-size:clamp(36px,4vw,54px); max-width:660px; line-height:1.08; letter-spacing:-.04em; }
.author-byline { display:flex; align-items:center; gap:20px; flex:0 0 auto; }
.author-portrait { display:block; width:88px; height:88px; object-fit:cover; border-radius:50%; border:3px solid #fff; }
.author-byline h3 { font-size:23px; line-height:1.2; margin:0; }
.author-byline p { color:var(--muted); font-size:13px; line-height:1.6; margin:8px 0 0; }
.about-story { padding:42px 44px 34px; background:#e7eef1; border:1px solid #d2dee3; border-radius:20px; }
.about-columns { display:grid; grid-template-columns:1fr 1fr; gap:56px; }
#homePage .author-copy p { font-size:16px; line-height:1.8; color:#405763; margin:0 0 23px; }
#homePage .author-copy p:last-child { margin-bottom:0; }
.about-closing { border-top:1px solid #c7d6df; margin-top:34px; padding-top:28px; display:flex; align-items:baseline; gap:22px; }
.about-closing:before { content:''; flex:0 0 44px; height:3px; background:var(--orange); }
#homePage .about-closing p { font-size:21px; line-height:1.55; margin:0; max-width:900px; }
.about-closing strong { font-weight:550; color:var(--blue); white-space:nowrap; }
#learn { border-top:0; padding-top:0; padding-bottom:64px; }
.invitation-band { isolation:isolate; padding:48px 42px 34px; border-radius:24px; background-color:var(--blueprint); background-image:var(--blueprint-grid); background-size:22px 22px,22px 22px,110px 110px,110px 110px; color:#f6fafc; }
.invitation-band .eyebrow { color:#edf6fc; }
.invitation-intro { display:grid; grid-template-columns:1fr 1fr; gap:48px; align-items:start; }
.invitation-intro h2 { font-size:clamp(32px,3.4vw,46px); line-height:1.15; }
.invitation-copy p { font-size:16px; color:#dceaf2; margin:0 0 18px; }
.invitation-copy p:last-child { margin-bottom:0; }
.invitation-close { display:flex; justify-content:space-between; align-items:center; gap:32px; margin-top:26px; padding-top:4px; }
.invitation-close .fine { font-size:12px; line-height:1.7; color:#c2d8e5; text-align:right; }
.invitation-close .btn { padding:15px 22px; background:white; color:#174d70; }
.design-study { margin:32px 0 0; border:1px solid var(--chart-line); border-radius:17px; overflow:hidden; background:var(--chart-paper); color:var(--chart-ink); }
.study-drawing { padding:28px; background-color:var(--chart-paper); background-image:var(--chart-grid); background-size:30px 30px; }
.study-branches { display:grid; grid-template-columns:repeat(3,1fr); gap:14px; }
.study-node { display:flex; align-items:center; gap:16px; padding:21px 18px; appearance:none; text-align:left; font-family:var(--sans); background:var(--surface); border:1px solid #bbccd5; border-radius:11px; color:var(--chart-ink); }
.study-node small { display:block; color:#ad572e; font:12px/1 monospace; }
.study-node strong { display:block; font-size:21px; font-weight:500; line-height:1.25; }
.study-node { transition:background .2s,border-color .2s; }
.study-node:hover { background:#f2f5f3; border-color:#7b99aa; }
.study-node[aria-pressed=true] { background:#f6ede3; border-color:#c47a51; box-shadow:inset 0 -2px #c47a51; }
#homePage .study-detail { padding:20px 2px 0; margin:0; min-height:74px; font-size:15px; line-height:1.6; max-width:830px; color:#3e5b6e; }

/* Cohort hero: genuine alpha video over the same grid. */
#cohort { isolation:isolate; margin-top:28px; padding:52px 42px 32px; background-color:var(--blueprint); background-image:var(--blueprint-grid); background-size:22px 22px,22px 22px,110px 110px,110px 110px; border-radius:24px; }
.cohort-hero-composition { display:grid; grid-template-columns:1.05fr 1fr; gap:18px; align-items:center; }
.cohort-title { max-width:870px; }
#cohort .cohort-title h1 { font-size:clamp(44px,5.7vw,78px); line-height:1.08; letter-spacing:-.035em; margin-top:24px; margin-bottom:30px; color:#edf6fc; }
#cohort h1 em { color:#f6fafc; font-style:normal; }
#cohort .eyebrow { color:#c5deeb; }
#cohort .actions>.btn { box-shadow:0 2px var(--orange); }
.cohort-sketch { margin:0; position:relative; }
.cohort-sketch video,.cohort-sketch .motion-poster { display:block; width:100%; aspect-ratio:4/3; background:transparent; border:0; box-shadow:none; }
.cohort-intro { display:grid; grid-template-columns:1.2fr .8fr; gap:38px; align-items:end; margin-top:30px; }
.cohort-intro p { font-size:18px; color:#dceaf2; max-width:720px; }
.cohort-intro .actions { justify-content:flex-end; }
.cohort-facts { display:grid; grid-template-columns:repeat(4,1fr); margin-top:35px; padding:25px; gap:24px; background-color:var(--chart-paper); background-image:var(--chart-grid); background-size:30px 30px; border:1px solid #bdcdd5; border-radius:15px; }
.cohort-facts small { font:10px/1.5 monospace; letter-spacing:.08em; text-transform:uppercase; color:#607b8d; display:block; }
.cohort-facts strong { display:block; font-weight:550; font-size:15px; margin-top:5px; color:var(--chart-ink); line-height:1.5; }

/* Cohort content, expectations, and intentionally disconnected interest form. */
#cohortPage>.section { padding:80px 0; }
#cohort-outcomes { margin-top:50px; }
#cohortPage .section-head { gap:48px; }
#cohortPage h2 { font-size:clamp(32px,3.5vw,48px); line-height:1.16; letter-spacing:-.025em; text-wrap:pretty; }
#cohortPage h3 { color:var(--chart-ink); }
#cohortPage p { line-height:1.75; }
#cohortPage .tri article { border-top:1px solid #c8d5dc; padding-top:24px; }
#cohortPage .tri h3 { font-size:26px; line-height:1.25; }
#cohortPage .tri p { font-size:16px; }
.experience { display:grid; grid-template-columns:1fr 1fr; gap:55px; }
.path { margin:0; padding:30px 26px 30px 48px; position:relative; overflow:hidden; border:1px solid var(--chart-line); border-radius:18px; background-color:var(--chart-paper); background-image:var(--chart-grid); background-size:30px 30px; }
.path:before { content:''; position:absolute; left:25px; top:40px; bottom:42px; width:1px; background:#9fb8c7; }
.path article { padding-bottom:30px; position:relative; }
.path article:last-child { padding-bottom:0; }
.path article:before { content:''; width:7px; height:7px; position:absolute; left:-26px; top:10px; border-radius:50%; background:#c76636; box-shadow:0 0 0 5px var(--chart-paper); }
.path h3 { font-size:24px; }
.path p { font-size:14px; color:#3e5b6e; margin-top:9px; }
.experience-aside,.for-you { background:#edf2f4; border:1px solid #c5d4dc; border-radius:18px; padding:28px; align-self:start; }
.experience-aside h3 { font-size:31px; }
.experience-aside p { font-size:15px; color:var(--muted); margin-top:18px; }
.scope-pill { display:inline-flex; align-items:center; font-size:11px; padding:4px 9px; background:#e2ebf0; border-radius:3px; color:#365d76; }
.expectations { display:grid; grid-template-columns:1fr 1fr; padding:30px; gap:38px; background-color:var(--chart-paper); background-image:var(--chart-grid); background-size:30px 30px; border:1px solid #bdcdd5; border-radius:18px; }
.expectations h3 { margin-bottom:24px; }
.expectation-row { border-top:1px solid #cbd8df; padding:17px 0; font-size:15px; color:#536b7a; }
.expectation-row b { color:var(--chart-ink); font-weight:550; }
.cohort-fit-details { margin-top:44px; padding-top:30px; border-top:1px solid var(--line); gap:70px; }
.for-you h3 { font-size:30px; }
.for-you ul { padding-left:20px; color:#365365; font-size:15px; }
.for-you li { margin:15px 0; }
#cohort-community .split { gap:70px; }
.application { background-color:var(--blueprint); background-image:var(--blueprint-grid); background-size:22px 22px,22px 22px,110px 110px,110px 110px; padding:64px 0; }
.apply-grid { display:grid; grid-template-columns:.85fr 1.15fr; gap:64px; align-items:start; }
.apply-grid>div h2,.apply-grid>div .eyebrow,.apply-grid>div .textlink { color:#f4f8fb; }
.apply-grid>div>p { color:#d3e4ed; max-width:480px; margin-top:24px; }
.form { background-color:var(--chart-paper); background-image:var(--chart-grid); background-size:30px 30px; border:1px solid #aec6d4; border-radius:18px; padding:30px; }
.formrow { display:grid; grid-template-columns:1fr 1fr; gap:17px; }
.form label { font-size:12px; color:#3b5b6f; line-height:1.55; display:block; margin-bottom:18px; }
.form input,.form select,.form textarea { width:100%; margin-top:7px; background:var(--surface); border:1px solid #b4c7d2; border-radius:7px; padding:11px; font-size:15px; color:var(--chart-ink); }
.form textarea { min-height:100px; resize:vertical; }
.form input::placeholder,.form textarea::placeholder { color:#657d8a; opacity:1; }
.form select { height:46px; }
.form input:focus,.form select:focus,.form textarea:focus { outline:2px solid #b4cddd; outline-offset:2px; border-color:#547c97; }
.form .btn { width:100%; background:var(--blueprint); color:white; border-color:var(--blueprint); }
.form-preview { padding:12px 14px; margin-bottom:24px; font-size:12px; color:#365d76; border-left:3px solid var(--orange); background:#f4f3ed; }
.form-status { margin-top:18px; font-size:13px; color:#365d76; border-left:2px solid #c76636; padding-left:13px; }
.field-hint { display:block; margin-top:5px; font-size:11px; }
.field-error { display:block; color:#9b341b; margin-top:5px; }
.form [aria-invalid=true] { border-color:#9b341b; }
.footer { border-top:1px solid var(--line); padding:26px 0 30px; font-size:11px; color:var(--muted); display:flex; align-items:center; justify-content:space-between; gap:20px; }
.footer .brand { font-size:18px; color:var(--ink); }
.footer .links { display:flex; gap:22px; }

/* Responsive layouts, ordered from widest to narrowest. */
@media(max-width:1100px) {
  .wrap { width:calc(100% - 64px); }
  .navlinks { gap:20px; }
  .architecture-system { grid-template-columns:minmax(120px,1fr) 62px minmax(235px,1.5fr) 62px minmax(120px,1fr); gap:10px; }
  .architecture-core { padding:17px; }
  .architecture-flow { font-size:9px; }
  .drawing-paper { padding:25px; }
}
@media(max-width:1000px) and (min-width:821px) {
  :is(#examples, #build) .video-workflow { grid-template-columns:minmax(0,.85fr) minmax(0,1.15fr); gap:30px; }
}
@media(max-width:900px) {
  .architecture-system { grid-template-columns:1fr; gap:18px; }
  .architecture-tools,.architecture-work { display:grid; grid-template-columns:repeat(3,1fr); gap:10px; }
  .architecture-work { grid-template-columns:1fr 1fr; }
  .architecture-tools>h3,.architecture-work>h3 { grid-column:1/-1; margin:0; }
  .architecture-tool { margin:0; }
  .architecture-flow { flex-direction:row; justify-content:center; font-size:11px; gap:16px; }
  .architecture-flow b { transform:rotate(90deg); }
  .architecture-core { padding:24px; }
  .matter-record dl { display:grid; grid-template-columns:1fr 1fr; column-gap:24px; }
  .matter-record dl>div { border-bottom:0; }
  .invitation-intro { grid-template-columns:1fr; gap:24px; }
  .invitation-copy { max-width:720px; }
  .navlinks { gap:18px; }
  .navlinks>a { font-size:11px; }
}
@media(max-width:820px) {
  .nav { height:72px; }
  .navlinks { display:none; }
  .mobile-menu { display:block; }
  .section { padding:60px 0; }
  .split,.author,.experience,.apply-grid,.product-intro,.video-workflow,.cohort-hero-composition,.cohort-intro { grid-template-columns:1fr; }
  .split,#cohort-community .split { gap:25px; }
  .section-head { display:block; }
  .section-head p { margin-top:22px; }
  .tri { gap:20px; }
  .tri h3 { font-size:25px; }
  #home { padding:36px 26px 25px; margin-top:22px; }
  #home h1 { font-size:clamp(38px,7vw,58px); }
  #home .intro { font-size:16px; }
  .product-intro { gap:26px; }
  .product-intro .actions,.cohort-intro .actions { justify-content:flex-start; }
  #agentic { margin-top:35px; }
  .author { gap:30px; }
  .invitation-band { padding:36px 26px; }
  .video-workflow { gap:26px; }
  :is(#examples, #build) .video-workflow { grid-template-columns:1fr; gap:20px; padding:26px 0; }
  :is(#examples, #build) .real-demo { max-width:560px; justify-self:center; }
  #examples .video-workflow h3 { font-size:25px; max-width:none; }
  .video-workflow h3 { font-size:30px; }
  #cohort { padding:36px 26px 26px; }
  .cohort-sketch { max-width:500px; margin:-20px auto 20px; width:100%; }
  .cohort-facts { grid-template-columns:1fr 1fr; }
  #cohortPage>.section { padding:58px 0; }
  #cohortPage .section-head { gap:24px; }
  #cohort-outcomes { margin-top:32px; }
  .cohort-intro p { font-size:16px; }
  .experience { gap:35px; }
  .apply-grid { gap:30px; }
  .application { padding:48px 0; }
  .footer { flex-wrap:wrap; }
}
@media(max-width:700px) {
  .study-branches,#cohortPage .tri { grid-template-columns:1fr; }
  .study-branches { gap:10px; }
  .study-node { padding:16px 18px; }
  .study-drawing { padding:20px; }
  #homePage .study-detail { min-height:0; padding-top:18px; }
  #cohortPage .tri { gap:24px; }
}
@media(max-width:600px) {
  .nav { height:66px; }
  #home { padding:32px 22px 22px; }
  #home h1 { font-size:clamp(33px,8.5vw,48px); }
  #home .intro { font-size:15px; }
  #homePage h2 { font-size:32px; }
  #homePage>.section { padding-top:52px; padding-bottom:52px; }
  #homePage>#agentic { padding-top:36px; padding-bottom:36px; }
  #homePage>#learn { padding-top:0; padding-bottom:64px; }
  #homePage .section-head { margin-bottom:28px; }
  #problem .section-summary { font-size:15px; }
  .drawing-title { padding:14px 17px; flex-direction:column; gap:4px; }
  .drawing-title>span:last-child { text-align:left; }
  .drawing-paper { padding:20px 16px; }
  .separate-tools { grid-template-columns:1fr 1fr; gap:9px; }
  .separate-tools>div:last-child { grid-column:1/-1; }
  .separate-tools>div { padding:13px; }
  .manual-connectors { height:32px; }
  .manual-connectors svg { display:none; }
  .manual-connectors:after { content:''; display:block; margin:auto; height:32px; width:1px; background:#9aafba; }
  .manual-person,.architecture-authority { padding:16px 12px; }
  .manual-person>span,.architecture-authority>span { font-size:11px; }
  .static-drawing figcaption { padding:14px 17px; }
  .architecture-tools,.architecture-work,.matter-record dl { grid-template-columns:1fr; }
  .architecture-tools .architecture-tool { display:flex; justify-content:space-between; align-items:baseline; gap:12px; }
  .architecture-tool span { margin-top:0; }
  .matter-record dl>div { border-bottom:1px solid #e4e9e9; }
  .architecture-core { padding:19px; }
  .authority-connection { font-size:10px; padding:16px 0 20px; }
  .invitation-band { padding:30px 22px; }
  .invitation-close { align-items:flex-start; flex-direction:column; gap:20px; }
  .invitation-close .fine { text-align:left; }
}
@media(max-width:540px) {
  .wrap { width:calc(100% - 36px); }
  .tri { grid-template-columns:1fr; gap:28px; margin-top:25px; }
  .tri article { padding-top:19px; }
  .tri h3 { font-size:29px; }
  .num { margin-bottom:12px; }
  #cohort { padding:30px 22px 24px; }
  #cohort .cohort-title h1 { font-size:41px; }
  .cohort-facts { padding:20px 16px; gap:20px 14px; }
  .cohort-facts strong { font-size:13px; }
  .expectations { grid-template-columns:1fr; padding:22px 18px; gap:26px; }
  .path { padding:25px 18px 25px 43px; }
  .path:before { left:20px; }
  .experience-aside,.for-you { padding:23px; }
  .form { padding:22px 18px; }
  .formrow { grid-template-columns:1fr; gap:0; }
  .form input,.form select,.form textarea { font-size:16px; }
  .footer .links { flex-wrap:wrap; }
  .footer .links>a { display:inline-flex; align-items:center; min-height:44px; }
  #cohortPage .apply-grid h2 { font-size:36px; }
  .section-head h2 { font-size:37px; }
  .actions { gap:13px; }
  .footer .links { gap:14px; }
  .fine { font-size:11px; }
}
@media(prefers-reduced-motion:reduce) {
  html { scroll-behavior:auto; }
  *,*:before,*:after { animation:none!important; transition:none!important; }
}
@media print {
  .header,.actions,.form { display:none!important; }
  .wrap { width:100%; }
  .section,#cohortPage>.section { padding:30px 0; }
}

/* FAQ — native, keyboard-accessible disclosure rows. */
.faq-page { padding-top:20px; }
.faq-section { display:grid; grid-template-columns:minmax(210px,.7fr) minmax(0,1.5fr); gap:70px; border-top:1px solid var(--line); padding:44px 0 50px; }
.faq-section:first-child { border-top:0; }
.faq-section-title .eyebrow { color:var(--blue); margin-bottom:18px; }
.faq-section-title h2 { color:var(--blue); font-size:clamp(30px,3vw,42px); }
.faq-answer { border-bottom:1px solid var(--line); scroll-margin-top:110px; }
.faq-answer:last-child { border-bottom:0; }
.faq-answer summary { cursor:pointer; list-style:none; display:flex; align-items:center; justify-content:space-between; gap:24px; padding:18px 0; font-size:20px; line-height:1.35; letter-spacing:-.02em; }
.faq-answer:first-child summary { padding-top:0; }
.faq-answer summary::-webkit-details-marker { display:none; }
.faq-answer summary:hover { color:var(--blue); }
.faq-answer summary:focus-visible { outline:2px solid var(--orange); outline-offset:5px; }
.faq-toggle { width:14px; height:14px; flex:0 0 14px; position:relative; color:var(--blue); }
.faq-toggle::before,.faq-toggle::after { content:""; position:absolute; background:currentColor; }
.faq-toggle::before { width:14px; height:2px; top:6px; left:0; }
.faq-toggle::after { height:14px; width:2px; left:6px; top:0; }
.faq-answer[open] .faq-toggle::after { display:none; }
.faq-answer p { color:var(--muted); line-height:1.75; padding:0 34px 22px 0; }
@media(max-width:760px) { .faq-page { padding-top:0; } .faq-section { grid-template-columns:1fr; gap:28px; padding:32px 0; } .faq-answer summary { font-size:19px; } .faq-answer p { padding-right:0; } }

.faq-page { padding-top:0; }
.faq-heading { padding:78px 0 55px; }
.faq-title { color:#000; font-size:clamp(44px,5vw,72px); letter-spacing:-.055em; }
@media(max-width:760px) { .faq-heading { padding:45px 0 35px; } }

.demo-description { color:var(--muted); margin-top:18px; font-size:16px; line-height:1.7; max-width:42ch; }

.form-trap{position:absolute!important;width:1px;height:1px;overflow:hidden;clip-path:inset(50%);white-space:nowrap;}

/* Quiet legal footer and readable policy pages. */
.footer-owner { display:flex; flex-direction:column; gap:12px; }
.footer .links a { display:inline-flex; align-items:center; min-height:44px; }
.legal-page { padding-top:64px; padding-bottom:88px; }
.legal-heading { border-bottom:1px solid var(--line); padding-bottom:32px; margin-bottom:42px; }
.legal-heading h1 { font-size:clamp(38px,5vw,64px); line-height:1.1; letter-spacing:-.04em; margin:20px 0; }
.legal-date { color:var(--muted); font-size:13px; }
.legal-copy { max-width:760px; }
.legal-copy section { padding:0; border:0; margin:0 0 34px; }
.legal-copy h2 { font-size:23px; line-height:1.3; margin:0 0 12px; letter-spacing:-.02em; }
.legal-copy p { font-size:16px; line-height:1.8; color:var(--muted); }
.legal-copy a, #privacyNotice a { text-decoration:underline; text-underline-offset:3px; }
@media(max-width:600px) { .legal-page { padding-top:38px; padding-bottom:50px; } .footer-owner span { max-width:280px; line-height:1.7; } }


@media(max-width:900px) {
 .about-heading { align-items:flex-start; gap:28px; flex-direction:column; }
 .about-columns { grid-template-columns:1fr; gap:23px; }
 .about-story { padding:30px; }
}
@media(max-width:600px) {
 .about-heading { margin-bottom:28px; }
 .author-portrait { width:72px; height:72px; }
 .author-byline { gap:17px; }
 .author-byline h3 { font-size:22px; }
 .about-story { padding:25px 22px; border-radius:16px; }
 #homePage .author-copy p { font-size:16px; line-height:1.75; }
 .about-closing { display:block; margin-top:26px; padding-top:24px; }
 .about-closing:before { display:block; width:44px; margin-bottom:18px; }
 #homePage .about-closing p { font-size:20px; }
 .about-closing strong { white-space:normal; }
}

/* Demo covers open a larger player without taking the visitor away from the page. */
.real-demo video[hidden] { display:none; }
.demo-launch { display:block; width:100%; padding:0; border:1px solid var(--line); border-radius:14px; overflow:hidden; background:var(--blueprint); cursor:pointer; box-shadow:0 12px 32px #1639510c; transition:box-shadow .2s ease, transform .2s ease; }
.demo-launch img { display:block; width:100%; height:auto; }
.demo-launch:hover { transform:translateY(-2px); box-shadow:0 16px 38px #16395124; }
.demo-launch:focus-visible { outline:3px solid var(--orange); outline-offset:5px; }
.demo-dialog { width:min(1120px, calc(100vw - 40px)); max-width:none; max-height:calc(100dvh - 40px); padding:0; border:1px solid #ffffff30; border-radius:18px; background:var(--paper); color:var(--ink); box-shadow:0 32px 100px #0007; }
.demo-dialog::backdrop { background:rgba(10,25,36,.8); backdrop-filter:blur(5px); }
.demo-dialog-bar { display:flex; align-items:center; justify-content:space-between; gap:20px; padding:16px 22px; }
.demo-dialog-bar h2 { margin:0; font-size:18px; line-height:1.4; letter-spacing:-.02em; }
.demo-dialog-close { flex-shrink:0; border:1px solid var(--line); border-radius:8px; background:var(--surface); color:var(--ink); padding:8px 12px; font:inherit; cursor:pointer; }
.demo-dialog-close span { margin-left:8px; font-size:21px; }
.demo-dialog-player { background:#000; }
.demo-dialog-player video { display:block; width:100%; max-height:calc(100dvh - 130px); }
@media(max-width:600px) {
  .demo-dialog { width:calc(100vw - 20px); max-height:calc(100dvh - 20px); border-radius:12px; }
  .demo-dialog-bar { padding:12px; gap:12px; }
  .demo-dialog-bar h2 { font-size:15px; }
}
@media(prefers-reduced-motion:reduce) { .demo-launch { transition:none; } }
.demo-dialog-bar h2 { flex:1; }
.demo-speed { display:flex; align-items:center; gap:8px; font-size:13px; white-space:nowrap; }
.demo-speed select { padding:8px; border:1px solid var(--line); border-radius:8px; background:var(--surface); color:var(--ink); font:inherit; }
@media(max-width:600px) {
  .demo-dialog-bar { flex-wrap:wrap; }
  .demo-dialog-bar h2 { flex-basis:100%; }
  .demo-speed { margin-right:auto; }
  .demo-dialog-player video { max-height:calc(100dvh - 180px); }
}

/* Exploration interest form */
.interest-options{border:0;padding:0;margin:12px 0 20px;min-width:0}.interest-options legend{font-weight:600;font-size:16px;margin-bottom:8px}.form .interest-choice{display:flex;align-items:flex-start;gap:10px;margin:10px 0;font-size:14px;line-height:1.5}.form .interest-choice input{width:18px;height:18px;flex:0 0 18px;margin:2px 0 0;accent-color:#126da3}.application{scroll-margin-top:90px}

.interest-sketch{margin:30px 0 0;width:100%;max-width:520px}.interest-sketch video,.interest-sketch .motion-poster{object-fit:contain}
@media(max-width:700px){.interest-sketch{margin:24px auto 0;max-width:420px}}

/* Keep the workshop centered in the remaining height alongside the form. */
#interest .interest-intro{align-self:stretch;display:flex;flex-direction:column;min-width:0}
.interest-animation-space{flex:1;display:flex;align-items:center;justify-content:center;min-height:300px;padding:24px 0}
.interest-animation-space .interest-sketch{margin:0;max-width:520px}
.navlinks>.btn,.mobile-nav>.btn,#home .actions>.btn{box-shadow:0 2px var(--orange)}
@media(max-width:820px){.interest-animation-space{min-height:0;flex:none;padding:28px 0 0}.interest-animation-space .interest-sketch{max-width:420px}}
